53217075 has 12 divisors (see below), whose sum is σ = 87985688. Its totient is φ = 28382400.

The previous prime is 53217023. The next prime is 53217091. The reversal of 53217075 is 57071235.

It is not a de Polignac number, because 53217075 - 2¹² = 53212979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 354706 + ... + 354855.

Almost surely, 2^53217075 is an apocalyptic number.

53217075 is a deficient number, since it is larger than the sum of its proper divisors (34768613).

53217075 is a wasteful number, since it uses less digits than its factorization.

53217075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709574 (or 709569 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 53217075 is about 7295.0034270040. The cubic root of 53217075 is about 376.1407043755.

The spelling of 53217075 in words is "fifty-three million, two hundred seventeen thousand, seventy-five".